Grain-separator.



A. GULDEN.

I GRAIN SEPARATOR.

APPLICATION FILED SEPT. 25, 19:1.

1,,Q86,29-6.. Patented Dec. 3, 1918.

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f g F I 1 l- I A I 19 a \i (p l 6 INVENTOR WITNESSES Q (Midwm ATTORNEY ALOIS eonnnn, or new em, irmivnsorak H enanv-snrana'ron.

Specification of Lettersjliatent. Pafl iited'Deb. 3, 1918.

Application filed. September 25, 1917.. set-1am. 19am.

To all whom it may concern: i

Be it knownthat I, ALoIs GULDEN, a citizen of the United States, residing at New Ulm, in the county of Brown and State of Minnesota, have invented certain new and useful Improvements in Grain-Separators, of Which thefollowing is .a specification.

J Thisinvention relates; to a wheat cleanweight will be ejected over the edge of the trackway. V j i A further object of this lnvention is the provision of a grain separator which consists of comparatively few parts and is simple in construction, but durable and well adapted to withstand the rough usage to which devices of this character are ordi narily subjected.

Fora full description of the invention and the advantages and merits thereof, referonce is to be had to the following description and the accompanying drawings, wherei in is illustrated the preferred form of my invention, in which Figure 1 isa side elevation of the device constructed in accordance with my invention and showing parts of the same in section.

Fig. 2 is a section taken on the line 2-2 of Fig. 1.

Fig. 3 is a detail view in perspective showing one of the units constituting the trackway.

Referring to the drawing wherein is illustrated the preferred form of my inventioin and in which like characters of reference indicate like or corresponding parts throughout the several views, a center post or standard 1 is mounted to stand in an upright position and is preferably constructed from a four inch by four inch beam approximately eight feet long. Mounted on the-top of the,

beam or standard 1 isa receptacle 2 designed to hold a quantity of wheat and wild peas. An outlet opening 3 is provided in the bottom of the receptacle and may be opened and closed by a sliding closure 4: mounted in. a suitable casing. 5.,the wall of which is also provided with opening 6. The slide 4: has an opening 7 adapted to be moved into andgo-ut of alinement with the openings .3 and 6 whereby the saidopenings may be opened and closed to regulate the quantity ofwheat and Wild peas passing out of -the receptacle. p i 1 A spiral or helica traclrway S is mounted on the standard land consistsofa plurality of plates shownin detail in Fig. 2 of the drawing and in perspective in Fig. 3 of the drawing. The plates 9 are preferably. con structed from suitable thin metal and .the side flat faces of the standard have. grooves for the reception of the edges of theplate. The grooves 10 are disposed at an angle and are arranged instaggard relatioinuAs shown to advantage in Fig. 2 of the drawing, each plate 9 substantially trapezoidal in formation and the short longitudinal edge 9 l is received in one ofvthe grooves in the standard, whlle the long longitudinal edge 10' forms theouter edge of the trackway-at this particular point. The square end 8 of the plate is overlapped by the angular end 7 of the next adjacent plate and the plates are built up in this manner so that a complete helical trackway is provided. The outer edges 9 and 10 of the plates, as shown in Figs. 1 and 2 of the drawing, are curved slightly to add to the spiral effect.

At the bottom of the standard I have provided. a container 11 and in the bottom of this brackets 12 are provided for the reception of the lower end of the standard to hold the standard in upright position. This conbe placed in the receptacle 2 and the sliding closure -i will be opened to permit the contents of the receptacle to flow onto the traclo way 8. By virtue of the spiral construction the Wheat will travel down the trackvvay around the standard 1 and being of comparatively light weight it will follow this pr e.

scribed course and pass through the chute 13. The wild peas, however, being of greater weight will be ejected over the edge of the trackway bycentrifugal force and thus be separated from the wheat. 7 Some of the wild peas will be ejected over the uppermost section of the trackwaybut others, of course, will not gain sufficient momentum until they have reached a lower portion of the same. It will be understood, that any other grain may be used with the device and any foreign seeds, grain or the like, heavier in Weight than the materialwhich is to be preserved, may be used with the device.

To facilitate the use of the device I have made the standard 1 collapsible by forming two sections 14 and 15 hinged together at 16 and held in operative position by a tongue 17 fastened to the section 14 and overlapping the section 15 and held to the latter by a removable eye bolt 18. It will be readily apparent that the plates may be taken out of the grooves and as they are all of uniform size, they may be stacked in a comparatively small space and the standard may be folded, the receptacle 2 removed from the top of the standard thus permit ting the device to be easily transported from place to place.

From the foregoing it will be observed that a very simple and durable grain separator has been provided the details of which embody the preferred form. I desire it to be understood, however, that slight changes may be made in the minor details of construction Without departing from the spirit of the invention or the scope of the claim hereunto appended.

Claim:

A grain separating device comprising a standard substantially square in cross section, and having its flat side surfaces provided with diagonally extending grooves arranged in staggered relation with respect to each other and each equipped with a plate having one marginal edge received in the grooves, the relative positions of the grooves and plates being such as to cause the adjacent ends of the plates to overlap to provide a continuous sp *al track-Way, the said plates being substantially trapezoidal in formation whereby the ends are overlapped at the corners of the said standards, the said plates being also slightly longitudinally curved to produce a curve in the said trackway when the plates are assembled on the standard.

In testimony whereof I aflix my signature in presence of two Witnesses.

ALOIS GULDEN.

lVitnesses:

A. L. Boocn, IDA E. MUESING.

Copies of this patent may be obtained. for five cents each, by addressing the Commissionerof Patents,

Washington, D. C. 

